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논문 기본 정보

자료유형
학술저널
저자정보
김종철 (충남대학교 의과대학 진단방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제39권 제5호
발행연도
1998.1
수록면
977 - 981 (5page)

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Purpose : To evaluate the usefulness of 'bridging vascular sign' in the diagnosis of a subserosal/ exophytic uterine leiomyoma and the helpfulness of this sign in the differentiation of a uterine leiomyoma from adnexal masses on pelvic magnetic resonance (MR) imaging. Materials and Methods : Of 20 women with a solitary pelvic mass in whom pelvic MR imaging was performed during recent three years to differentiate a uterine leiomyoma from an adnexal mass, 12 with surgicopathologically proven subserosal/exophytic uterine leiomymas were included in this study. The other eight women were proved to have tubo-ovarian abscess (n = 3), ovarian endometrioma (n = 2), ruptured corpus luteum cyst (n = 2), and ovarian fibroma (n = 1). A 1.5 T unit was used to obtain axial/sagittalT1- and T2-weighted and gadolinium-enhanced sagittal T1-weighted images. Positive 'bridging vascular sign' was defined through the retrospective review and analysis of MR findings as the presence of intervening curvilinear or tortuous signal-void vascular structures crossing the uterus and the pelvic mass. Using this sign in the diagnosis and differentiation of a uterine leiomyoma from adnexal masses, statistical significance was evaluated. Results :'Bridging vascular sign' was present in eight of 12 leiomyomas, but no in adnexal masses. Using this sign in the diagnosis and differentiation of a uterine leiomyoma from adnexal masses, sensitivity was 66.7%, specificity 100%,positive predictive value 100%, negative predictive value 66.7%, and accuracy 80%. Conclusion : 'Vascular bridging sign' on MR imaging may be a useful radiologic sign in the diagnosis and differentiation of a subserosal/exophyticuterine leiomyoma from adnexal masses.

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